Querying geographic data

Spatial and geographical databases

This class offers a very in-depth set of materials on spatial database management, including materials on the tools needed to work in spatial database management, and the applications of that data to real-life problem solving. Exercises and tools for working with SQL, as well as sample database sets, are provided. A real-life final project is presented in the projects section.

Course Description

This semester long subject (11.521) is divided into two halves. The first half focuses on learning spatial database management techniques and methods and the second half focuses on using these skills to address a 'real world, ' client-oriented planning problem. The first half of the semester may be taken separately using the class number 11.523 and the second half may be taken separately as 11.524.

In order to help shape and utilize the information infrastructure that will support the management and development of our metropolitan areas, planners need a basic understanding of the tools and technology for querying, analyzing, and sharing complex databases and maps. Managing online access to large and constantly-changing spatial datasets can be a powerful aid to planning and can facilitate inter-agency cooperation and collaboration in an increasingly decentralized world. But it requires the use of knowledge representation methods, client-server technologies and access control issues that are quite different from what are needed to model and visualize standalone datasets on a personal computer. Hence, planners should acquire basic skills in database management, digital spatial data analysis, and networking.

Datamining revealed? from craigslist bots

by XbLADErUnnerx

I work for a company who occasionally buys information from companies like info-usa. I write internal programs that basically organize this data and insert it into databases.
One thing I personally do is sell computer stuff over craigslist, and I use an exclusive inbox.com account for business that is used nowhere else. I've also never got spammer or spammer-like emails on this account that I responded to and completely block images and objects that can reveal anything via HTTP requests. Yet I've been seeing that email address pop up in acquisition data my company buys.

Ligonier Borough complies with directional sign mandate  — Tribune-Review
Although Geographic Information Systems mapping of the borough pinpoints all directional signs, it does not include all data needed to comply with the program. “They want to see off-sets, heights, directions, locations, all kinds of stuff,” Faas said.

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